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United States Patent | 6,003,643 |
Moore | December 21, 1999 |
A brake actuator and slack adjuster subjected to axial vibration includes a slack adjusting mechanism circumferentially engaging a brake actuating mechanism. A circumferential elastomer bushing is disposed about the brake actuating mechanism for damping axial vibrations experienced by the slack adjuster. One washer has a recess sized to receive and seat one end of the bushing while a shim washer is located at the other end of the bushing and against a bearing race of the slack adjuster.
Inventors: | Moore; Roland S. (Taylors, SC) |
Assignee: | Westinghouse Air Brake Company (Wilmerding, PA) |
Appl. No.: | 005452 |
Filed: | January 12, 1998 |
Current U.S. Class: | 188/197; 188/198; 188/202 |
Intern'l Class: | F16D 065/52 |
Field of Search: | 188/197,198,199,200,201,202,203 384/611,620 |
2530323 | Nov., 1950 | Boyd. | |
3101814 | Aug., 1963 | Newell. | |
3231926 | Feb., 1966 | Stollman. | |
3593827 | Jul., 1971 | Sander | 188/196. |
4585097 | Apr., 1986 | Severinsson | 188/196. |
4619348 | Oct., 1986 | Smith | 188/196. |
Foreign Patent Documents | |||
1192338 | May., 1970 | GB | 188/203. |